Authorities: Fired UPS employees dons old uniform, guns down 2 former co-workers in Alabama

A UPS warehouse has police cars and tape surrounding it on Tuesday, Sept. 23, 2014, in Birmingham, Ala. A UPS employee opened fire Tuesday morning inside one of the company's warehouses in Alabama, killing two people before taking his own life, police said.(AP Photo/Brynn Anderson) (The Associated Press)

This undated photo released by the Birmingham (Ala.) Police Department shows Kerry Joe Tesney. Tesney, fired a day earlier from UPS, killed two co-workers and then himself, Tuesday, Sept. 23, 2014, after he donned a work uniform and evaded security by entering through a truck dock in the rear of the building, according to police and the company. (AP Photo/Birmingham (Ala.) Police Department) (The Associated Press)

In this undated photo released by Erica Carmichael, Brian Callans, right, poses for a photo with his fiancée Erica Carmichael, and their dog Bob in Alabama. Callans, 46, of Birmingham, and driver supervisor Doug Hutcheson, 33, of Odenville, were the men killed Tuesday, Sept. 24, 2014, in at a Birmingham, Ala., UPS facility. (AP Photo/Erica Carmichael) (The Associated Press)

Authorities say a man fired from UPS a day earlier put on his work uniform, drove to an Alabama package sorting center, evaded security and gunned down two former co-workers.

Police say the shooter, identified as 45-year-old Kerry Joe Tesney, lay dead atop his gun from what they say was a self-inflicted wound.

UPS says the shooter entered Tuesday after about 80 drivers had left for the day to deliver packages, possibly avoiding even more bloodshed.

Police haven't released the victims' names but say they were part of management.

Pastor Bill Wilks of NorthPark Baptist Church described Tesney of the Birmingham suburb of Trussville as having been troubled over his work and financial situation but said the shooting was unbelievable.